Many companies restrict their ability to expand by failing to maximise their business borrowing potential. There is also a reluctance to give up equity in return for medium term funding.
When borrowing it is not often appreciate how different the banks can be in their approach towards corporate lending - you may be surprised at how innovative some of them can be.
In additions to the 'High Street' banks, there are a number of smaller private banks and investors that have interests in particular business sectors.
Other funding can be obtained through grants or by exploring options such as the Angel Bourse and the AIM market, amongst others.